Catch up with the most recent episode of Great Ormond Street from 21 July 2015 at 9pm. Available to watch online on BBC iplayer now.
In this second part of three, the treatment of youngsters such as Charlie, a cystic fibrosis sufferer are followed and a quick decision is required. Meanwhile, Jess, 14, took a calculated risk and waited for a lung transplant two years ago, Can she afford to wait any longer?
Program Schedule: 9pm – 10pm